74054458321 has 4 divisors (see below), whose sum is σ = 74126990644. Its totient is φ = 73981926000.

The previous prime is 74054458297. The next prime is 74054458351. The reversal of 74054458321 is 12385445047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12385445047 = 17 ⋅728555591.

It can be written as a sum of positive squares in 2 ways, for example, as 55913331600 + 18141126721 = 236460^2 + 134689^2 .

It is a cyclic number.

It is not a de Polignac number, because 74054458321 - 2³¹ = 71906974673 is a prime.

It is a super-2 number, since 2×74054458321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74054458351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36264630 + ... + 36266671.

It is an arithmetic number, because the mean of its divisors is an integer number (18531747661).

Almost surely, 2^74054458321 is an apocalyptic number.

It is an amenable number.

74054458321 is a deficient number, since it is larger than the sum of its proper divisors (72532323).

74054458321 is a wasteful number, since it uses less digits than its factorization.

74054458321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72532322.

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 74054458321 in words is "seventy-four billion, fifty-four million, four hundred fifty-eight thousand, three hundred twenty-one".